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Maxim Integrated Semiconductor Electronic Components Datasheet

MAX12005 Datasheet

Satellite IF Switch

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19-5554; Rev 1; 10/11
EVAALVUAAILTAIOBNLEKIT
Satellite IF Switch
General Description
The MAX12005 satellite IF switch IC is designed for
multi-user applications supporting two quad universal
low-noise blocks (LNBs) to be matrix switched to four
satellite receivers. The system can be easily expanded
to accept 16 satellite IF inputs using the cascade option
and one additional satellite IF switch IC. A configuration
of eight satellite IF inputs to eight satellite receivers is
also possible by using two ICs and adding eight input
splitters. The insertion loss of these splitters can be com-
pensated by a +6dB or +12dB input gain select.
There are two ways to control the switch function.
Each IC contains four DiSEqCK 2.0 decoders and four
alternate tone/voltage decoders. The decoders use an
integrated trimmed oscillator, simplifying the MAX12005
implementation into any system. There are four opera-
tional modes, which include LNB mode (for use within
the LNB), cascade master mode, cascade slave mode,
and single mode.
The satellite IF switch is designed on an advanced SiGe
process and is available in a lead-free 48-pin TQFN
surface-mount package (7mm x 7mm).
Applications
Direct Broadcast Satellite Receivers
Satellite IF Distribution
L-Band Distribution
Features
S 8-Input-to-4-Output Matrix Switch
S Expandable to 16 Inputs with Cascade Master/
Slave Option
S 950MHz to 2150MHz Operation
S Greater than 30dB Switch Isolation
S 0/+6/+12dB Input Stage Gain Selection to
Compensate for Splitter Insertion Loss
Gain Step for All Input Stages Is Commonly
Controlled Through an Analog Select Pin
S Four Integrated DiSEqC 2.0 Decoders with
Integrated Oscillator
S Alternate Tone/Voltage Detection
S ESD Protected to 2kV HBM
Ordering Information
PART
TEMP RANGE
PIN-PACKAGE
MAX12005ETM+ -40NC to +85NC
48 TQFN-EP*
+Denotes a lead(Pb)-free/RoHS-compliant package.
*EP = Exposed paddle.
DiSEqC is a trademark of EUTELSAT.
________________________________________________________________ Maxim Integrated Products  1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.


Maxim Integrated Semiconductor Electronic Components Datasheet

MAX12005 Datasheet

Satellite IF Switch

No Preview Available !

Satellite IF Switch
ABSOLUTE MAXIMUM RATINGS
VCC to GND...........................................................-0.3V to +3.6V
RFIN1–RFIN8 to GND............................................-0.3V to +1.5V
CASCADE_IN1–CASCADE_IN4 to GND...............-0.3V to +1.5V
RFOUT1–RFOUT4 to GND........................ -0.3V to (VCC + 0.3V)
DISEQC_TX1–DISEQC_TX4 to GND..........-0.3V to (VCC + 0.3V)
DISEQC_RX1–DISEQC_RX4 to GND.........-0.3V to (VCC + 0.3V)
GAIN_SELECT, MODE_SELECT
to GND....................................................-0.3V to (VCC + 0.3V)
Continuous Power Dissipation (TA = +70NC)
TQFN (derate 27.8 mW/NC above +70NC)...................2.2W
Operating Ambient Temperature Range............ -40NC to +85NC
Maximum Junction Temperature......................................+150NC
Storage Temperature Range............................. -65NC to +150NC
Lead Temperature (soldering, 10s).................................+300NC
Soldering Temperature (reflow).......................................+260NC
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute
maximum rating conditions for extended periods may affect device reliability.
CAUTION! ESD SENSITIVE DEVICE
DC ELECTRICAL CHARACTERISTICS
(VCC = +3.0V to +3.5V, TA = -40NC to +85NC, mode set to master, input gain stages set to highest gain, inputs matched to 75I,
output loads = 75I. Typical values are at +3.3V and at TA = +25NC, unless otherwise noted.) (Note 1)
PARAMETER
Supply Voltage
Supply Current
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
VCC 3.0 3.5 V
ICC
VCC = 3.3V, 0dB, one input selected, four
outputs selected
150 250 mA
+12dB GAIN_SELECT Input High-
Level Voltage
VIH
VCC -
0.4V
V
+6dB GAIN_SELECT Input Voltage
Level and Range
VIN
1/2 VCC
Q200mV
mV
0dB GAIN_SELECT Input Low-Level
Voltage
VIL
0.4 V
Single MODE_SELECT Input High-
Level Voltage
VIH
VCC -
0.4V
V
Master MODE_SELECT Input Voltage
Level and Range
VIN
2/3 VCC
Q200mV
mV
Slave MODE_SELECT Input Voltage
Level and Range
VIN
1/3 VCC
Q200mV
mV
LNB MODE_SELECT Input Low-Level
Voltage
VIL
0.4 V
GAIN_SELECT and MODE_SELECT
Input Current
IIN VIN = VCC
10 FA
DC Voltage Detect Input High Level
DC Voltage Detect Input Low Level
DISEQC_RX_ Input Current
DISEQC_TX_ Output High-Level
Voltage
VIH
VIL
IIN
VOH
(Note 2)
(Note 2)
VIN = high or low
ILOAD = -1mA
1.23
VCC -
0.4V
1.11
1
V
V
FA
V
DISEQC_TX_ Output Low-Level
Voltage
VOL ILOAD = +1mA
0.4 V
2


Part Number MAX12005
Description Satellite IF Switch
Maker Maxim Integrated Products
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MAX12005 Datasheet PDF






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